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b2dff8aa77
There is an angular and time dead spot on webEntity for scrolling vs clicking. Currently, it's 150 ms and 3 degrees. See POINTER_PRESS_TO_MOVE_DELAY and POINTER_PRESS_TO_MOVE_DEADSPOT_ANGLE * Fix for warnings when clicking on window.open() links in WebEntity
510 lines
21 KiB
JavaScript
510 lines
21 KiB
JavaScript
"use strict";
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/*jslint vars: true, plusplus: true*/
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/*globals Script, Overlays, Controller, Reticle, HMD, Camera, Entities, MyAvatar, Settings, Menu, ScriptDiscoveryService, Window, Vec3, Quat, print*/
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//
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// handControllerPointer.js
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// examples/controllers
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//
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// Created by Howard Stearns on 2016/04/22
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// Copyright 2016 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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// Control the "mouse" using hand controller. (HMD and desktop.)
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// First-person only.
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// Starts right handed, but switches to whichever is free: Whichever hand was NOT most recently squeezed.
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// (For now, the thumb buttons on both controllers are always on.)
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// When partially squeezing over a HUD element, a laser or the reticle is shown where the active hand
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// controller beam intersects the HUD.
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// UTILITIES -------------
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//
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function ignore() { }
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// Utility to make it easier to setup and disconnect cleanly.
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function setupHandler(event, handler) {
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event.connect(handler);
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Script.scriptEnding.connect(function () {
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event.disconnect(handler);
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});
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}
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// If some capability is not available until expiration milliseconds after the last update.
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function TimeLock(expiration) {
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var last = 0;
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this.update = function (optionalNow) {
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last = optionalNow || Date.now();
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};
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this.expired = function (optionalNow) {
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return ((optionalNow || Date.now()) - last) > expiration;
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};
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}
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var handControllerLockOut = new TimeLock(2000);
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function Trigger(label) {
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// This part is copied and adapted from handControllerGrab.js. Maybe we should refactor this.
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var that = this;
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that.label = label;
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that.TRIGGER_SMOOTH_RATIO = 0.1; // Time averaging of trigger - 0.0 disables smoothing
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that.TRIGGER_OFF_VALUE = 0.10;
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that.TRIGGER_ON_VALUE = that.TRIGGER_OFF_VALUE + 0.05; // Squeezed just enough to activate search or near grab
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that.rawTriggerValue = 0;
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that.triggerValue = 0; // rolling average of trigger value
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that.triggerClicked = false;
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that.triggerClick = function (value) { that.triggerClicked = value; };
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that.triggerPress = function (value) { that.rawTriggerValue = value; };
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that.updateSmoothedTrigger = function () { // e.g., call once/update for effect
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var triggerValue = that.rawTriggerValue;
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// smooth out trigger value
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that.triggerValue = (that.triggerValue * that.TRIGGER_SMOOTH_RATIO) +
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(triggerValue * (1.0 - that.TRIGGER_SMOOTH_RATIO));
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OffscreenFlags.navigationFocusDisabled = that.triggerValue != 0.0;
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};
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// Current smoothed state, without hysteresis. Answering booleans.
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that.triggerSmoothedClick = function () {
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return that.triggerClicked;
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};
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that.triggerSmoothedSqueezed = function () {
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return that.triggerValue > that.TRIGGER_ON_VALUE;
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};
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that.triggerSmoothedReleased = function () {
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return that.triggerValue < that.TRIGGER_OFF_VALUE;
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};
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// This part is not from handControllerGrab.js
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that.state = null; // tri-state: falsey, 'partial', 'full'
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that.update = function () { // update state, called from an update function
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var state = that.state;
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that.updateSmoothedTrigger();
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// The first two are independent of previous state:
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if (that.triggerSmoothedClick()) {
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state = 'full';
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} else if (that.triggerSmoothedReleased()) {
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state = null;
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} else if (that.triggerSmoothedSqueezed()) {
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// Another way to do this would be to have hysteresis in this branch, but that seems to make things harder to use.
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// In particular, the vive has a nice detent as you release off of full, and we want that to be a transition from
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// full to partial.
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state = 'partial';
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}
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that.state = state;
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};
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// Answer a controller source function (answering either 0.0 or 1.0).
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that.partial = function () {
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return that.state ? 1.0 : 0.0; // either 'partial' or 'full'
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};
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that.full = function () {
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return (that.state === 'full') ? 1.0 : 0.0;
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};
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}
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// VERTICAL FIELD OF VIEW ---------
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//
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// Cache the verticalFieldOfView setting and update it every so often.
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var verticalFieldOfView, DEFAULT_VERTICAL_FIELD_OF_VIEW = 45; // degrees
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function updateFieldOfView() {
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verticalFieldOfView = Settings.getValue('fieldOfView') || DEFAULT_VERTICAL_FIELD_OF_VIEW;
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}
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// SHIMS ----------
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//
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var weMovedReticle = false;
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function ignoreMouseActivity() {
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// If we're paused, or if change in cursor position is from this script, not the hardware mouse.
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if (!Reticle.allowMouseCapture) {
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return true;
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}
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var pos = Reticle.position;
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if (!pos || (pos.x == -1 && pos.y == -1)) {
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return true;
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}
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// Only we know if we moved it, which is why this script has to replace depthReticle.js
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if (!weMovedReticle) {
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return false;
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}
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weMovedReticle = false;
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return true;
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}
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var MARGIN = 25;
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var reticleMinX = MARGIN, reticleMaxX, reticleMinY = MARGIN, reticleMaxY;
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function updateRecommendedArea() {
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var dims = Controller.getViewportDimensions();
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reticleMaxX = dims.x - MARGIN;
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reticleMaxY = dims.y - MARGIN;
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}
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var setReticlePosition = function (point2d) {
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weMovedReticle = true;
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point2d.x = Math.max(reticleMinX, Math.min(point2d.x, reticleMaxX));
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point2d.y = Math.max(reticleMinY, Math.min(point2d.y, reticleMaxY));
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Reticle.setPosition(point2d);
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};
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// Generalizations of utilities that work with system and overlay elements.
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function findRayIntersection(pickRay) {
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// Check 3D overlays and entities. Argument is an object with origin and direction.
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var result = Overlays.findRayIntersection(pickRay);
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if (!result.intersects) {
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result = Entities.findRayIntersection(pickRay, true);
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}
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return result;
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}
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function isPointingAtOverlay(optionalHudPosition2d) {
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return Reticle.pointingAtSystemOverlay || Overlays.getOverlayAtPoint(optionalHudPosition2d || Reticle.position);
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}
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// Generalized HUD utilities, with or without HMD:
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// This "var" is for documentation. Do not change the value!
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var PLANAR_PERPENDICULAR_HUD_DISTANCE = 1;
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function calculateRayUICollisionPoint(position, direction) {
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// Answer the 3D intersection of the HUD by the given ray, or falsey if no intersection.
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if (HMD.active) {
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return HMD.calculateRayUICollisionPoint(position, direction);
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}
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// interect HUD plane, 1m in front of camera, using formula:
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// scale = hudNormal dot (hudPoint - position) / hudNormal dot direction
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// intersection = postion + scale*direction
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var hudNormal = Quat.getFront(Camera.getOrientation());
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var hudPoint = Vec3.sum(Camera.getPosition(), hudNormal); // must also scale if PLANAR_PERPENDICULAR_HUD_DISTANCE!=1
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var denominator = Vec3.dot(hudNormal, direction);
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if (denominator === 0) {
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return null;
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} // parallel to plane
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var numerator = Vec3.dot(hudNormal, Vec3.subtract(hudPoint, position));
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var scale = numerator / denominator;
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return Vec3.sum(position, Vec3.multiply(scale, direction));
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}
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var DEGREES_TO_HALF_RADIANS = Math.PI / 360;
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function overlayFromWorldPoint(point) {
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// Answer the 2d pixel-space location in the HUD that covers the given 3D point.
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// REQUIRES: that the 3d point be on the hud surface!
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// Note that this is based on the Camera, and doesn't know anything about any
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// ray that may or may not have been used to compute the point. E.g., the
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// overlay point is NOT the intersection of some non-camera ray with the HUD.
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if (HMD.active) {
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return HMD.overlayFromWorldPoint(point);
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}
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var cameraToPoint = Vec3.subtract(point, Camera.getPosition());
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var cameraX = Vec3.dot(cameraToPoint, Quat.getRight(Camera.getOrientation()));
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var cameraY = Vec3.dot(cameraToPoint, Quat.getUp(Camera.getOrientation()));
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var size = Controller.getViewportDimensions();
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var hudHeight = 2 * Math.tan(verticalFieldOfView * DEGREES_TO_HALF_RADIANS); // must adjust if PLANAR_PERPENDICULAR_HUD_DISTANCE!=1
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var hudWidth = hudHeight * size.x / size.y;
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var horizontalFraction = (cameraX / hudWidth + 0.5);
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var verticalFraction = 1 - (cameraY / hudHeight + 0.5);
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var horizontalPixels = size.x * horizontalFraction;
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var verticalPixels = size.y * verticalFraction;
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return { x: horizontalPixels, y: verticalPixels };
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}
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function activeHudPoint2d(activeHand) { // if controller is valid, update reticle position and answer 2d point. Otherwise falsey.
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var controllerPose = Controller.getPoseValue(activeHand);
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// Valid if any plugged-in hand controller is "on". (uncradled Hydra, green-lighted Vive...)
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if (!controllerPose.valid) {
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return; // Controller is cradled.
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}
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var controllerPosition = Vec3.sum(Vec3.multiplyQbyV(MyAvatar.orientation, controllerPose.translation),
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MyAvatar.position);
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// This gets point direction right, but if you want general quaternion it would be more complicated:
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var controllerDirection = Quat.getUp(Quat.multiply(MyAvatar.orientation, controllerPose.rotation));
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var hudPoint3d = calculateRayUICollisionPoint(controllerPosition, controllerDirection);
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if (!hudPoint3d) {
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if (Menu.isOptionChecked("Overlays")) { // With our hud resetting strategy, hudPoint3d should be valid here
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print('Controller is parallel to HUD'); // so let us know that our assumptions are wrong.
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}
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return;
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}
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var hudPoint2d = overlayFromWorldPoint(hudPoint3d);
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// We don't know yet if we'll want to make the cursor or laser visble, but we need to move it to see if
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// it's pointing at a QML tool (aka system overlay).
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setReticlePosition(hudPoint2d);
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return hudPoint2d;
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}
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// MOUSE ACTIVITY --------
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//
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var isSeeking = false;
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var averageMouseVelocity = 0, lastIntegration = 0, lastMouse;
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var WEIGHTING = 1 / 20; // simple moving average over last 20 samples
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var ONE_MINUS_WEIGHTING = 1 - WEIGHTING;
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var AVERAGE_MOUSE_VELOCITY_FOR_SEEK_TO = 20;
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function isShakingMouse() { // True if the person is waving the mouse around trying to find it.
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var now = Date.now(), mouse = Reticle.position, isShaking = false;
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if (lastIntegration && (lastIntegration !== now)) {
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var velocity = Vec3.length(Vec3.subtract(mouse, lastMouse)) / (now - lastIntegration);
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averageMouseVelocity = (ONE_MINUS_WEIGHTING * averageMouseVelocity) + (WEIGHTING * velocity);
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if (averageMouseVelocity > AVERAGE_MOUSE_VELOCITY_FOR_SEEK_TO) {
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isShaking = true;
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}
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}
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lastIntegration = now;
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lastMouse = mouse;
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return isShaking;
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}
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var NON_LINEAR_DIVISOR = 2;
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var MINIMUM_SEEK_DISTANCE = 0.1;
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function updateSeeking(doNotStartSeeking) {
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if (!doNotStartSeeking && (!Reticle.visible || isShakingMouse())) {
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if (!isSeeking) {
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print('Start seeking mouse.');
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isSeeking = true;
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}
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} // e.g., if we're about to turn it on with first movement.
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if (!isSeeking) {
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return;
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}
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averageMouseVelocity = lastIntegration = 0;
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var lookAt2D = HMD.getHUDLookAtPosition2D();
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if (!lookAt2D) { // If this happens, something has gone terribly wrong.
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print('Cannot seek without lookAt position');
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isSeeking = false;
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return; // E.g., if parallel to location in HUD
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}
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var copy = Reticle.position;
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function updateDimension(axis) {
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var distanceBetween = lookAt2D[axis] - Reticle.position[axis];
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var move = distanceBetween / NON_LINEAR_DIVISOR;
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if (Math.abs(move) < MINIMUM_SEEK_DISTANCE) {
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return false;
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}
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copy[axis] += move;
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return true;
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}
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var okX = !updateDimension('x'), okY = !updateDimension('y'); // Evaluate both. Don't short-circuit.
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if (okX && okY) {
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print('Finished seeking mouse');
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isSeeking = false;
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} else {
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Reticle.setPosition(copy); // Not setReticlePosition
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}
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}
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var mouseCursorActivity = new TimeLock(5000);
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var APPARENT_MAXIMUM_DEPTH = 100.0; // this is a depth at which things all seem sufficiently distant
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function updateMouseActivity(isClick) {
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if (ignoreMouseActivity()) {
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return;
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}
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var now = Date.now();
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mouseCursorActivity.update(now);
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if (isClick) {
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return;
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} // Bug: mouse clicks should keep going. Just not hand controller clicks
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handControllerLockOut.update(now);
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Reticle.visible = true;
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}
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function expireMouseCursor(now) {
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if (!isPointingAtOverlay() && mouseCursorActivity.expired(now)) {
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Reticle.visible = false;
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}
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}
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function hudReticleDistance() { // 3d distance from camera to the reticle position on hud
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// (The camera is only in the center of the sphere on reset.)
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var reticlePositionOnHUD = HMD.worldPointFromOverlay(Reticle.position);
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return Vec3.distance(reticlePositionOnHUD, HMD.position);
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}
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function onMouseMove() {
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// Display cursor at correct depth (as in depthReticle.js), and updateMouseActivity.
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if (ignoreMouseActivity()) {
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return;
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}
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if (HMD.active) { // set depth
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updateSeeking();
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if (isPointingAtOverlay()) {
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Reticle.depth = hudReticleDistance();
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} else {
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var result = findRayIntersection(Camera.computePickRay(Reticle.position.x, Reticle.position.y));
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Reticle.depth = result.intersects ? result.distance : APPARENT_MAXIMUM_DEPTH;
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}
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}
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updateMouseActivity(); // After the above, just in case the depth movement is awkward when becoming visible.
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}
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function onMouseClick() {
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updateMouseActivity(true);
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}
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setupHandler(Controller.mouseMoveEvent, onMouseMove);
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setupHandler(Controller.mousePressEvent, onMouseClick);
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setupHandler(Controller.mouseDoublePressEvent, onMouseClick);
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// CONTROLLER MAPPING ---------
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//
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var leftTrigger = new Trigger('left');
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var rightTrigger = new Trigger('right');
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var activeTrigger = rightTrigger;
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var activeHand = Controller.Standard.RightHand;
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var LEFT_HUD_LASER = 1;
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var RIGHT_HUD_LASER = 2;
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var BOTH_HUD_LASERS = LEFT_HUD_LASER + RIGHT_HUD_LASER;
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var activeHudLaser = RIGHT_HUD_LASER;
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function toggleHand() { // unequivocally switch which hand controls mouse position
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if (activeHand === Controller.Standard.RightHand) {
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activeHand = Controller.Standard.LeftHand;
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activeTrigger = leftTrigger;
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activeHudLaser = LEFT_HUD_LASER;
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} else {
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activeHand = Controller.Standard.RightHand;
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activeTrigger = rightTrigger;
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activeHudLaser = RIGHT_HUD_LASER;
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}
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clearSystemLaser();
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}
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function makeToggleAction(hand) { // return a function(0|1) that makes the specified hand control mouse when 1
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return function (on) {
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if (on && (activeHand !== hand)) {
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toggleHand();
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}
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};
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}
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var clickMapping = Controller.newMapping(Script.resolvePath('') + '-click');
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Script.scriptEnding.connect(clickMapping.disable);
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// Gather the trigger data for smoothing.
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clickMapping.from(Controller.Standard.RT).peek().to(rightTrigger.triggerPress);
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clickMapping.from(Controller.Standard.LT).peek().to(leftTrigger.triggerPress);
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clickMapping.from(Controller.Standard.RTClick).peek().to(rightTrigger.triggerClick);
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clickMapping.from(Controller.Standard.LTClick).peek().to(leftTrigger.triggerClick);
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// Full smoothed trigger is a click.
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function isPointingAtOverlayStartedNonFullTrigger(trigger) {
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// true if isPointingAtOverlay AND we were NOT full triggered when we became so.
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// The idea is to not count clicks when we're full-triggering and reach the edge of a window.
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var lockedIn = false;
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return function () {
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if (trigger !== activeTrigger) {
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return lockedIn = false;
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}
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if (!isPointingAtOverlay()) {
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return lockedIn = false;
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}
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if (lockedIn) {
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return true;
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}
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lockedIn = !trigger.full();
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return lockedIn;
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}
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}
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clickMapping.from(rightTrigger.full).when(isPointingAtOverlayStartedNonFullTrigger(rightTrigger)).to(Controller.Actions.ReticleClick);
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clickMapping.from(leftTrigger.full).when(isPointingAtOverlayStartedNonFullTrigger(leftTrigger)).to(Controller.Actions.ReticleClick);
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// The following is essentially like Left and Right versions of
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// clickMapping.from(Controller.Standard.RightSecondaryThumb).peek().to(Controller.Actions.ContextMenu);
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// except that we first update the reticle position from the appropriate hand position, before invoking the ContextMenu.
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var wantsMenu = 0;
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clickMapping.from(function () { return wantsMenu; }).to(Controller.Actions.ContextMenu);
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clickMapping.from(Controller.Standard.RightSecondaryThumb).peek().to(function (clicked) {
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if (clicked) {
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activeHudPoint2d(Controller.Standard.RightHand);
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}
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wantsMenu = clicked;
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});
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clickMapping.from(Controller.Standard.LeftSecondaryThumb).peek().to(function (clicked) {
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if (clicked) {
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activeHudPoint2d(Controller.Standard.LeftHand);
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}
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wantsMenu = clicked;
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});
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clickMapping.from(Controller.Hardware.Keyboard.RightMouseClicked).peek().to(function () {
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// Allow the reticle depth to be set correctly:
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// Wait a tick for the context menu to be displayed, and then simulate a (non-hand-controller) mouse move
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// so that the system updates qml state (Reticle.pointingAtSystemOverlay) before it gives us a mouseMove.
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// We don't want the system code to always do this for us, because, e.g., we do not want to get a mouseMove
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// after the Left/RightSecondaryThumb gives us a context menu. Only from the mouse.
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Script.setTimeout(function () {
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Reticle.setPosition(Reticle.position);
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}, 0);
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});
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// Partial smoothed trigger is activation.
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clickMapping.from(rightTrigger.partial).to(makeToggleAction(Controller.Standard.RightHand));
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clickMapping.from(leftTrigger.partial).to(makeToggleAction(Controller.Standard.LeftHand));
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clickMapping.enable();
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// VISUAL AID -----------
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// Same properties as handControllerGrab search sphere
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var LASER_ALPHA = 0.5;
|
|
var LASER_SEARCH_COLOR_XYZW = {x: 10 / 255, y: 10 / 255, z: 255 / 255, w: LASER_ALPHA};
|
|
var LASER_TRIGGER_COLOR_XYZW = {x: 250 / 255, y: 10 / 255, z: 10 / 255, w: LASER_ALPHA};
|
|
var SYSTEM_LASER_DIRECTION = {x: 0, y: 0, z: -1};
|
|
var systemLaserOn = false;
|
|
function clearSystemLaser() {
|
|
if (!systemLaserOn) {
|
|
return;
|
|
}
|
|
HMD.disableHandLasers(BOTH_HUD_LASERS);
|
|
systemLaserOn = false;
|
|
weMovedReticle = true;
|
|
Reticle.position = { x: -1, y: -1 };
|
|
}
|
|
function setColoredLaser() { // answer trigger state if lasers supported, else falsey.
|
|
var color = (activeTrigger.state === 'full') ? LASER_TRIGGER_COLOR_XYZW : LASER_SEARCH_COLOR_XYZW;
|
|
return HMD.setHandLasers(activeHudLaser, true, color, SYSTEM_LASER_DIRECTION) && activeTrigger.state;
|
|
}
|
|
|
|
// MAIN OPERATIONS -----------
|
|
//
|
|
function update() {
|
|
var now = Date.now();
|
|
function off() {
|
|
expireMouseCursor();
|
|
clearSystemLaser();
|
|
}
|
|
updateSeeking(true);
|
|
if (!handControllerLockOut.expired(now)) {
|
|
return off(); // Let them use mouse in peace.
|
|
}
|
|
if (!Menu.isOptionChecked("First Person")) {
|
|
return off(); // What to do? menus can be behind hand!
|
|
}
|
|
if (!Window.hasFocus() || !Reticle.allowMouseCapture) {
|
|
return off(); // Don't mess with other apps or paused mouse activity
|
|
}
|
|
leftTrigger.update();
|
|
rightTrigger.update();
|
|
if (!activeTrigger.state) {
|
|
return off(); // No trigger
|
|
}
|
|
var hudPoint2d = activeHudPoint2d(activeHand);
|
|
if (!hudPoint2d) {
|
|
return off();
|
|
}
|
|
// If there's a HUD element at the (newly moved) reticle, just make it visible and bail.
|
|
if (isPointingAtOverlay(hudPoint2d)) {
|
|
if (HMD.active) {
|
|
Reticle.depth = hudReticleDistance();
|
|
}
|
|
if (activeTrigger.state && (!systemLaserOn || (systemLaserOn !== activeTrigger.state))) { // last=>wrong color
|
|
// If the active plugin doesn't implement hand lasers, show the mouse reticle instead.
|
|
systemLaserOn = setColoredLaser();
|
|
Reticle.visible = !systemLaserOn;
|
|
} else if ((systemLaserOn || Reticle.visible) && !activeTrigger.state) {
|
|
clearSystemLaser();
|
|
Reticle.visible = false;
|
|
}
|
|
return;
|
|
}
|
|
// We are not pointing at a HUD element (but it could be a 3d overlay).
|
|
clearSystemLaser();
|
|
Reticle.visible = false;
|
|
}
|
|
setupHandler(Script.update, update);
|
|
|
|
// Check periodically for changes to setup.
|
|
var SETTINGS_CHANGE_RECHECK_INTERVAL = 10 * 1000; // milliseconds
|
|
function checkSettings() {
|
|
updateFieldOfView();
|
|
updateRecommendedArea();
|
|
}
|
|
checkSettings();
|
|
|
|
var settingsChecker = Script.setInterval(checkSettings, SETTINGS_CHANGE_RECHECK_INTERVAL);
|
|
Script.scriptEnding.connect(function () {
|
|
Script.clearInterval(settingsChecker);
|
|
OffscreenFlags.navigationFocusDisabled = false;
|
|
});
|